UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/ObIpgE3/Ru2Uju4IvSbuRsiIe1laVNUi5B8uFvGjhM=' 
WHERE 
  key_id = 'a646ea7f3994ebcc29ea4ea501ef35d6fd6839dac9f17aa4f9291f132c3e36ad' 
  AND (
    token = '/ObIpgE3/Ru2Uju4IvSbuRsiIe1laVNUi5B8uFvGjhM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )